Alien Worlds backdrop
Documentary

The Best Episodes of Alien Worlds

Every episode of Alien Worlds ranked from best to worst. Let's dive into the Best Episodes of Alien Worlds!

Binge this in 2h 57m•Peaking at 6.9/10

Applying the laws of life on Earth to the rest of the galaxy, this series blends science fact and fiction to imagine alien life on other planets.

Airs on
Netflix
BestEpisodes
WorstEpisodes
BestSeasons
AllEpisodes

Seasons1

All1

Episode Rankings

  1. #1 Fan Favorite
    Click to reveal
    Alien Worlds Season 1 Episode 2 - Janus
    6.9/10(266 votes)

    #1 - Janus

    S1:E2

    Ants, scorpions and fireflies provide clues for biologists to conjecture about life on exoplanet Janus, including highly adaptable pentapods.

    Directors:Daniel M. Smith, Tim Lambert, Suzy Boyles
    Writer:Unknown

    Be the first to start the conversation for this episode

  2. Alien Worlds Season 1 Episode 3 - Eden
    6.9/10(244 votes)

    #2 - Eden

    S1:E3

    Twin stars create an oxygen-rich atmosphere on Eden, where a teeming biosphere may parallel seasonal cycles of predation and reproduction o Earth.

    Directors:Nigel Paterson, Daniel M. Smith, Ben Wilson
    Writer:Unknown

    Be the first to start the conversation for this episode

  3. Alien Worlds Season 1 Episode 4 - Terra
    6.9/10(248 votes)

    #3 - Terra

    S1:E4

    A hyperadvanced species makes their home on doomed exoplanet Terra, which orbits an aging star. Now they must colonize another world, using robots.

    Directors:Tim Lambert, Suzy Boyles
    Writer:Unknown

    Be the first to start the conversation for this episode

  4. Alien Worlds Season 1 Episode 1 - Atlas
    6.8/10(373 votes)

    #4 - Atlas

    S1:E1

    On Exoplanet Atlas, dense gravity creates a thick atmosphere allowing airborne life forms to thrive - but also providing a lesson in adaptability.

    Director:Unknown
    Writer:Unknown

    Be the first to start the conversation for this episode

Best Episodes Summary

"Janus" is the best rated episode of "Alien Worlds". It scored 6.9/10 based on 266 votes. Directed by Daniel M. Smith, Tim Lambert, Suzy Boyles and written by Unknown, it aired on 12/2/2020. This episode scored 0.0 points higher than the second highest rated, "Eden".